Explanation:

- Mudiyettu: It is a traditional ritual theatre and folk dance drama from Kerala, India, associated with the worship of the goddess Kali. It was inscribed on UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity in 2010.

- Kutiyattam: This is one of the oldest traditional theatre forms from Kerala, India. Kutiyattam was inscribed on the UNESCO List in 2008, recognized for its classical dramatic and narrative content.

- Kuthiyottam: This is a ritualistic practice associated with the annual festival at Attukal Bhagavathy Temple in Kerala. However, it is not inscribed on UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity.

- Kumbh Mela: A major pilgrimage and festival in Hinduism, known for its mass congregation of devotees. It was inscribed as an Intangible Cultural Heritage by UNESCO in 2017.

Correct Answer: Option 3 - Kuthiyottam